_________ something wrong with my bike. Can I use yours?
A. It is B. It was C. There is D. There was
—Do you like playing computer games?
—No. but I ________.
A. used to B. didn't C. do D. don't
The Internet is really ________ to us. We can get a lot of things from it.
A. useful B. difficult C. different D. safe
─ Is the woman in white our manager?
─ It ________be her. She has just left for Shanghai.
A. must B. may C. can’t D. couldn’t
I don’t think fast food is good for our health, so I_______ go to MacDonald.
A. seldom B. always C. usually D. often
If Tom ________ the game, we'll give him a surprise.
A. win B. wins C. won D. winning
